CN211767776U

CN211767776U - Large-scale thermal power factory side coal bunker bay structure

Info

Publication number: CN211767776U
Application number: CN201922318209.3U
Authority: CN
Inventors: 李迎东
Original assignee: Individual
Current assignee: Yang Yanchao
Priority date: 2019-12-22
Filing date: 2019-12-22
Publication date: 2020-10-27
Anticipated expiration: 2029-12-22

Abstract

The utility model discloses a structure between large-scale thermal power factory side coal bunker, which comprises a frame, be equipped with the coal pulverizer in the frame, be equipped with the conveyer belt that is located the coal pulverizer downside in the frame, the discharge gate of coal pulverizer is connected with the discharging pipe, be fixed with the fixed plate on the inner wall of frame, it is equipped with the movable plate to insert on the fixed plate, be fixed with the limiting plate on the outer wall of movable plate, be fixed with reset spring between limiting plate and the fixed plate, the lower extreme of movable plate is fixed with through the connecting rod and inserts the ejector pin of establishing in the discharging pipe, be fixed with the motor on the inner wall of frame, the drive end of motor is fixed with the incomplete gear that contacts. The utility model discloses a reciprocating of movable plate drives the ejector pin and removes in the discharging pipe, carries out the drum to kibbling ore grinding and smashes, avoids blockking up the coal pulverizer to in time send out the police dispatch newspaper when the conveyer belt appears lax or splits.

Description

Large-scale thermal power factory side coal bunker bay structure

Technical Field

The utility model relates to a power plant technical field especially relates to a structure between large-scale thermal power factory side coal bunker.

Background

A power plant is a plant that converts various primary energy sources contained in the nature into electric energy. As the demand for electricity increases, the idea of building electricity production centers has begun to be proposed. The development of motor manufacturing technology, the expansion of electric energy application range, the rapid increase of the demand of electricity for production and the consequent generation of power plants. Thermal power plants that rely on thermal power are widely used.

The side coal bunker bay is used for coal mine crushing, transportation and other work in a power plant, generally, a coal mill is used for coal mine crushing, a conveyor belt is used for transportation, the coal mill is a machine for crushing and grinding coal briquettes into coal powder, the coal mill is an important auxiliary device of a coal powder furnace, but the traditional coal mill is easy to block during discharging.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem in the background art, and the side bunker bay structure of a large-scale thermal power factory that provides.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a structure between side coal bunker of large-scale thermal power factory, includes the frame, be equipped with the coal pulverizer in the frame, be equipped with the conveyer belt that is located the coal pulverizer downside in the frame, the discharge gate of coal pulverizer is connected with the discharging pipe, be fixed with the fixed plate on the inner wall of frame, it is equipped with the movable plate to insert on the fixed plate, be fixed with the limiting plate on the outer wall of movable plate, be fixed with reset spring between limiting plate and the fixed plate, the lower extreme of movable plate is fixed with through the connecting rod and inserts the ejector pin of establishing in the discharging pipe, be fixed with the motor on the inner wall of frame, the drive end of motor is fixed with the incomplete gear that contacts with the movable plate, one side that the movable.

Preferably, a connecting pipe is fixed at the bottom of the frame, a sliding plate slides in the connecting pipe, a telescopic spring is fixed between the sliding plate and the inner bottom wall of the connecting pipe, and a steel ball which is in contact with the outer wall of the conveyor belt is fixed on the upper side wall of the sliding plate through a fixing rod.

Preferably, an L-shaped plate with an end extending to the outer side of the connecting pipe is fixed at the end of the sliding plate, a switch positioned at the upper side of the L-shaped plate is fixed at the outer wall of the connecting pipe, and an alarm connected with the switch is fixed on the inner wall of the frame.

Preferably, the outer wall of the connecting pipe is provided with a sliding groove with the width matched with the L-shaped plate.

Preferably, the diameter of the ejector pin is smaller than the diameter of the tapping pipe.

Compared with the prior art, this structure of large-scale thermal power factory side bunker bay's advantage lies in:

1. the starting motor drives the incomplete gear to rotate, the moving plate is driven to move upwards through the meshing of the incomplete gear and the moving plate, when the incomplete gear rotates to be not meshed with the moving plate, the moving plate moves backwards under the reverse elasticity of the reset spring, so that the ejector rod moves up and down in the discharge pipe, the coal mine is pounded, and the blockage is avoided;

2. when the conveyor belt is loosened or broken, the sliding plate moves upwards under the action of the elastic force of the telescopic spring, the L-shaped plate is contacted and pressed with the switch, so that an electric loop is formed among the alarm, the switch and an external power supply, and the alarm is connected to give an alarm;

to sum up, the utility model discloses a reciprocating of movable plate drives the ejector pin and removes in the discharging pipe, carries out the drum to kibbling ore grinding and smashes, avoids blockking up the coal pulverizer to in time send out the police dispatch newspaper when the conveyer belt appears lax or splits.

Drawings

Fig. 1 is a schematic structural diagram of a lateral bunker bay structure of a large-scale thermal power plant according to the present invention;

fig. 2 is a side view of a connecting pipe in a lateral bunker bay structure of a large-scale thermal power plant.

In the figure: the device comprises a frame 1, a coal mill 2, a discharge pipe 3, a fixed plate 4, a movable plate 5, a limiting plate 6, a motor 7, an incomplete gear 8, a push rod 9, a conveyor belt 10, a connecting pipe 11, a sliding plate 12, a steel ball 13, a switch 14, an alarm 15 and a 16L-shaped plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-2, a lateral bunker bay structure of a large-scale thermal power plant comprises a frame 1, a coal mill 2 is arranged in the frame 1, a conveyor belt 10 located on the lower side of the coal mill 2 is arranged in the frame 1, a discharge pipe 3 is connected to a discharge port of the coal mill 2, a coal mine is led into the coal mill 2 for crushing and then is led out of the coal mine to the conveyor belt 10 through the discharge pipe 3 for transportation, a fixed plate 4 is fixed on the inner wall of the frame 1, a moving plate 5 is inserted on the fixed plate 4, a limiting plate 6 is fixed on the outer wall of the moving plate 5, a return spring is fixed between the limiting plate 6 and the fixed plate 4, a push rod 9 inserted in the discharge pipe 3 is fixed at the lower end of the moving plate 5 through a connecting rod, the diameter of the push rod 9 is smaller than the caliber of the discharge pipe 3, a motor 7 is fixed on the inner wall of the frame 1, an incomplete gear 8 in The complete gear 8 rotates, the moving plate 5 is driven to move upwards through the meshing of the incomplete gear 8 and the moving plate 5, the return spring is extruded at the same time, when the incomplete gear 8 rotates to be not meshed with the moving plate 5, the moving plate 5 moves back under the reverse elasticity of the return spring, and therefore the ejector rod 9 can move up and down in the discharge pipe 3, the coal mine is pounded, and the blockage is avoided.

The bottom of the frame 1 is fixed with a connecting pipe 11, a sliding plate 12 slides in the connecting pipe 11, an expansion spring is fixed between the sliding plate 12 and the inner bottom wall of the connecting pipe 11, a steel ball 13 contacting with the outer wall of the conveyor belt 10 is fixed on the upper side wall of the sliding plate 12 through a fixed rod, when the conveyor belt 10 normally operates, the sliding plate 12 bounces upwards under the reverse elasticity of the expansion spring, the steel ball 13 is abutted against the conveyor belt 10, an L-shaped plate 16 with the end extending to the outer side of the connecting pipe 11 is fixed on the end of the sliding plate 12, a sliding groove with the width matched with that of the L-shaped plate 16 is arranged on the outer wall of the connecting pipe 11, the L-shaped plate 16 slides up and down in the sliding groove, a switch 14 positioned on the upper side of the L-shaped plate 16 is fixed on the outer wall of the frame 1, an alarm 15 connected with the switch 14, under the elastic force of the extension spring, the sliding plate 12 moves upwards, the L-shaped plate 16 is contacted and pressed with the switch 14, an electric loop is formed among the alarm 15, the switch 14 and an external power supply, the alarm 15 is connected to give an alarm, and the problem of the conveyor belt 10 is prompted.

Further, unless otherwise specifically stated or limited, the above-described fixed connection is to be understood in a broad sense, and may be, for example, welded, glued, or integrally formed as is conventional in the art.

Now, the operation principle of the present invention is explained as follows:

the coal pulverizer 2 is smashed the colliery and is derived to conveyer belt 10 on from discharging pipe 3, transport kibbling colliery through conveyer belt 10, when the colliery is derived, starter motor 7 drives incomplete gear 8 and rotates, drive movable plate 5 through the meshing of incomplete gear 8 and movable plate 5 and move up, when incomplete gear 8 transferred to not meshing with movable plate 5, move movable plate 5 back under reset spring's reverse elasticity, and then realize ejector pin 9 and move about from top to bottom in discharging pipe 3, carry out the drum to the colliery and smash, avoid blockking up.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a structure between coal bunker of large-scale thermal power factory side, includes frame (1), its characterized in that, be equipped with coal pulverizer (2) in frame (1), be equipped with conveyer belt (10) that are located coal pulverizer (2) downside in frame (1), the discharge gate of coal pulverizer (2) is connected with discharging pipe (3), be fixed with fixed plate (4) on the inner wall of frame (1), insert on fixed plate (4) and be equipped with movable plate (5), be fixed with limiting plate (6) on the outer wall of movable plate (5), be fixed with reset spring between limiting plate (6) and fixed plate (4), the lower extreme of movable plate (5) is fixed with through the connecting rod and inserts ejector pin (9) of establishing in discharging pipe (3), be fixed with motor (7) on the inner wall of frame (1), the drive end of motor (7) is fixed with incomplete gear (8) that the movable plate (5) contacted, and sawteeth meshed with the incomplete gear (8) are arranged on one side of the moving plate (5) close to the incomplete gear.

2. A large-scale thermal power plant side bunker bay structure as claimed in claim 1, wherein a connecting pipe (11) is fixed at the bottom of said frame (1), a sliding plate (12) is slid in said connecting pipe (11), a telescopic spring is fixed between said sliding plate (12) and the inner bottom wall of said connecting pipe (11), and a steel ball (13) contacting with the outer wall of said conveyor belt (10) is fixed on the upper side wall of said sliding plate (12) through a fixing rod.

3. A large-scale thermal power plant side bunker bay structure as claimed in claim 2, wherein an L-shaped plate (16) having an end portion extending to the outside of the connection pipe (11) is fixed to an end portion of the sliding plate (12), a switch (14) positioned on the upper side of the L-shaped plate (16) is fixed to the outer wall of the connection pipe (11), and an alarm (15) connected to the switch (14) is fixed to the inner wall of the frame (1).

4. The lateral coal bunker bay structure of a large-scale thermal power plant as claimed in claim 3, wherein the outer wall of the connecting pipe (11) is provided with a sliding groove with a width matched with that of the L-shaped plate (16).

5. A large-scale thermal power plant side bunker bay structure as claimed in claim 1, wherein the diameter of said ram (9) is smaller than the diameter of the discharge pipe (3).